CN113370275B - Soil sample segmentation device - Google Patents
Soil sample segmentation device Download PDFInfo
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- CN113370275B CN113370275B CN202110725262.4A CN202110725262A CN113370275B CN 113370275 B CN113370275 B CN 113370275B CN 202110725262 A CN202110725262 A CN 202110725262A CN 113370275 B CN113370275 B CN 113370275B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/02—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a stationary cutting member
- B26D1/03—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a stationary cutting member with a plurality of cutting members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
- B26D7/0608—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by pushers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a soil sample splitting device which comprises a supporting frame unit, a material picking unit, a jacking unit and a splitting unit, wherein the jacking unit and the splitting unit are respectively arranged on the supporting frame unit, the splitting unit is arranged above the jacking unit and is coaxially arranged with the jacking unit, a consolidation cylinder is used for pre-pressing and filling a soil sample, the consolidation cylinder is fixedly arranged between the jacking unit and the splitting unit, then under the jacking action of the jacking unit, the pressed soil sample in the consolidation cylinder is upwards jacked out along the axial direction of the consolidation cylinder and is split under the action of the splitting unit, and the material picking unit is used for elastically clamping the split pressed soil sample and transferring the split pressed soil sample. According to the soil sample splitting device, the pressed soil sample is split by the splitting unit while being taken out of the consolidation cylinder, and the technical problems that the pressed soil sample is greatly disturbed in the transferring process and the indoor test accuracy is low due to the fact that the pressed soil sample is manually transferred and split in the prior art are solved.
Description
Technical Field
The invention relates to the technical field of geotechnical engineering indoor geotechnical tests, in particular to a soil sample cutting device.
Background
The indoor geotechnical test is mainly used for obtaining basic physical and mechanical parameters of soil bodies and is an important component for geotechnical engineering design. The dredged soil or silt soft soil with high water content, low strength, large deformation and even flow-plastic state can not be directly used for triaxial test or consolidation test and the like, and the soil sample is usually required to be pre-pressed and consolidated to achieve the aim of drainage, so that the strength and the deformation modulus of the soil sample are further improved to enable the soil sample to be tested after reaching the soft-plastic or plastic state.
Pre-compaction consolidation is typically performed in an annular steel cylinder (consolidation drum), typically much larger in size than conventional indoor geotechnical test requirements, such as: the medium diameter pre-pressed steel cylinder has a height of 25cm and a diameter of 20cm, while the indoor triaxial test requires only 8-10cm in height and 3.5-4cm in diameter. Therefore, in order to prepare a sample, the soil is generally manually taken out of the annular steel cylinder and then manually cut, and the mode of manually taking out the soil from the annular steel cylinder and then manually cutting the soil for preparing the sample has the defects of inconvenient operation, large error, material waste, low quality of finished products and the like.
Disclosure of Invention
The invention provides a soil sample cutting device, which solves the technical problem that after a soil sample is pre-pressed and solidified through a consolidation cylinder, the soil sample in the consolidation cylinder needs to be manually taken out and then manually cut, so that large disturbance is generated on the pressed soil sample, and the accuracy of an indoor test is low.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a soil sample segmentation device, including the braced frame unit, pick up the material unit and locate jacking unit and segmentation unit on the braced frame unit respectively, the top of jacking unit is located to the segmentation unit and lays with the jacking unit is coaxial, it is filled to consolidate a section of thick bamboo and be used for the suppression in advance of soil sample, through locating the fixed jacking unit and the segmentation unit between with consolidating a section of thick bamboo, and then under the jacking effect of jacking unit, it upwards ejecting and will ejecting suppression soil sample segmentation under the effect of segmentation unit along the axial of consolidating a section of thick bamboo to consolidate the suppression soil sample in a section of thick bamboo, pick up the material unit and be used for the suppression soil sample after the elasticity centre gripping segmentation and shift the suppression soil sample after the segmentation.
Further, the material picking unit comprises an elastic clamping mechanism used for elastically clamping the pressed soil sample after splitting and a hanging frame used as an installation foundation, the elastic clamping mechanism is detachably hung on the hanging frame, the material picking unit further comprises a first fastening mechanism used for fixing the elastic clamping mechanism assembled on the hanging frame, the elastic clamping mechanism is fixed above the splitting unit through the first fastening mechanism and enables the elastic clamping mechanism and the splitting unit to be coaxially arranged, or the elastic clamping mechanism is movably hung on the hanging frame, the material picking unit further comprises a second fastening mechanism used for fixing the elastic clamping mechanism after moving, and the elastic clamping mechanism is fixed above the splitting unit through the second fastening mechanism and enables the elastic clamping mechanism and the splitting unit to be coaxially arranged.
Furthermore, the elastic clamping mechanism comprises an outer barrel and an inner barrel, the inner barrel is arranged in an inner cavity of the outer barrel, a radial gap is reserved between the inner barrel and the outer barrel, the inner barrel is formed by arranging at least two arc plates at intervals along the circumferential direction, assembling and combining are carried out, the elastic clamping mechanism also comprises elastic supporting components which are arranged corresponding to the arc plates one by one and guiding components which are arranged corresponding to the arc plates one by one, the elastic supporting components are elastically loaded between the arc plates and the outer barrel, a guide hole which penetrates through the barrel wall along the radial direction of the outer barrel is arranged on the barrel wall surface of the outer barrel, one end of each guiding component is fixedly connected with the inner barrel, and the other end of each guiding component penetrates through the guide hole, the arc-shaped plate is movably arranged along the radial direction under the guidance of the guide hole, the outer cylinder is detachably communicated with the hanging bracket through a first fastening mechanism, or the outer cylinder can be hung on the hanging frame in a sliding manner and can be used for positioning the sliding outer cylinder through the second fastening mechanism.
Further, the one end of elastic support subassembly and the outer wall fixed connection of arc, the other end of elastic support subassembly and the internal face fixed connection of urceolus, and then make the arc elasticity load on the internal face of urceolus with the suppression soil sample after the elasticity centre gripping segmentation, perhaps, the elastic support subassembly cover is located on the guide assembly, the one end of elastic support subassembly and the outer wall butt of arc, the other end of elastic support subassembly and the internal face butt of urceolus, and then make the arc elasticity load in the inboard of urceolus with the suppression soil sample after the elasticity centre gripping segmentation.
Further, the lower end of the arc-shaped plate is bent outwards along the radial direction of the inner cylinder to form a guide chamfer angle for guiding the cut pressed soil sample into the inner cylinder.
Furthermore, the guide assembly adopts guide pins distributed along the radial direction of the outer barrel, the elastic support assembly adopts springs distributed along the radial direction of the outer barrel, the springs are sleeved on the guide pins, the extending ends of the guide pins extend outwards and protrude out of the outer wall surface of the outer barrel, and then a force application handle for applying force to pull the corresponding arc-shaped plate outwards is formed.
Further, the braced frame unit includes the bracing piece of bracing pedestal and the side direction of locating the bracing pedestal respectively, in the bracing pedestal was located to the stiff end of jacking unit, the jacking end of jacking unit set up along vertical movably, it is fixed with the segmentation unit centre gripping that a consolidation section of thick bamboo passes through the bracing pedestal, perhaps, a consolidation section of thick bamboo passes through fastening device and fixes on locating the bracing pedestal, the jacking end through the jacking unit is followed vertical activity and is passed the top surface of bracing pedestal and then the jacking is in the suppression soil sample in the consolidation section of thick bamboo of bracing pedestal top from the bracing pedestal.
Furthermore, the support pedestal is concavely provided with a positioning spigot on the surface for accommodating the consolidation cylinder and centering the consolidation cylinder, the fastening mechanism comprises a hoop for fixedly loading the consolidation cylinder on the positioning spigot, the hoop comprises two hoops which are movably arranged along the radial direction of the consolidation cylinder loaded on the positioning spigot and a lock catch for positioning and fixing the hoops after movement, and the consolidation cylinder positioned on the positioning spigot is clasped tightly along the radial direction of the movable two-way clamping through the two hoops.
Furthermore, the jacking unit comprises a top plate, a turbine screw rod lifting mechanism, a control handle, a transmission box and a guide mechanism, the transmission box is arranged in the support pedestal, the driving end of the turbine screw rod lifting mechanism extends into the transmission box and is connected with the transmission box in a threaded fit manner, the driven end of the control handle extends into the transmission box from the side surface of the support pedestal and is meshed with the turbine screw rod lifting mechanism through a gear, the fixed end of the guide mechanism is arranged on the transmission box, the movable end of the guide mechanism is fixedly connected with the top plate, the jacking end of the turbine screw rod lifting mechanism is used for being abutted against the top plate to drive the top plate to be jacked vertically, and the driving end of the control handle is rotated outside the support pedestal, and under the guide of the guide mechanism, the turbine screw lifting mechanism is controlled to drive the top plate to lift up along the vertical movement, so that the top plate penetrates through the top surface of the supporting pedestal from the supporting pedestal and then lifts up a pressed soil sample in the consolidation cylinder above the supporting pedestal.
Further, the cutting unit comprises a cylindrical cutting shell, cutting blades arranged on the inner side of the cutting shell and a fixing piece used for fixing the cutting shell between the two supporting rods, and the cutting blades are uniformly distributed at intervals along the circumferential direction of the cutting shell.
The invention has the following beneficial effects:
the soil sample splitting device comprises a supporting frame unit, a material picking unit, a jacking unit and a splitting unit. The supporting frame unit is used as an installation foundation of the jacking unit and the segmentation unit, the consolidation cylinder is fixedly arranged between the jacking unit and the segmentation unit, the pressed soil sample in the consolidation cylinder is pushed upwards along the axial direction of the consolidation cylinder under the jacking action of the jacking unit, and meanwhile, the pushed soil sample is segmented by the segmentation unit above the consolidation cylinder in time, so that the operation is convenient, the pressed soil sample is taken out from the consolidation cylinder and is segmented by the segmentation unit, the problem that the pressed soil sample is taken out and then transferred manually in the prior art is avoided, and then the pressed soil sample is greatly disturbed due to manual segmentation, the technical problem of low indoor test accuracy is solved, and the treatment efficiency of the pressed soil sample is high; the splitting unit and the jacking unit are coaxially arranged, the splitting unit splits from the center of the pressed soil sample, the pressed soil sample gradually axially extends and is split under the guiding action of the consolidation cylinder, the swing range of the pressed soil sample in the splitting process is small, and meanwhile, the cutting force applied to each part of the pressed soil sample is balanced, so that the pressed soil sample can be uniformly split, and the problems of raw material waste caused by large manual operation error and nonuniform splitting are solved; the material picking unit is used for elastically clamping the divided pressed soil sample and transferring the divided pressed soil sample, so that the technical problems that the manual transfer of the divided pressed soil sample causes large disturbance to the pressed soil sample in the transferring process and the indoor test accuracy is low are solved.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is one of the schematic structural views of a soil sample cutting device according to a preferred embodiment of the present invention;
FIG. 2 is a second schematic structural view of a soil sample cutting device according to a preferred embodiment of the present invention;
FIG. 3 is a top view of the soil sample splitting device of FIG. 1;
figure 4 is a schematic view of the construction of the pick-up unit of figure 1;
FIG. 5 is a schematic structural diagram of the cutting unit of FIG. 1;
fig. 6 is a schematic structural view of the jacking unit in fig. 1.
Illustration of the drawings:
100. a soil sample splitting device; 11. a support frame unit; 111. a support pedestal; 112. a support bar; 12. a material picking unit; 121. an elastic clamping mechanism; 1211. an outer cylinder; 1212. an arc-shaped plate; 1213. an elastic support member; 1214. a guide assembly; 122. a hanger; 13. a jacking unit; 131. a top plate; 132. a worm gear lead screw lifting mechanism; 133. a control handle; 134. a transmission box; 135. a guide mechanism; 14. a splitting unit; 141. splitting the shell; 142. cutting edges; 143. a fixing member; 20. and (5) solidifying the cylinder.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.
Fig. 1 is one of the schematic structural views of a soil sample cutting device according to a preferred embodiment of the present invention; FIG. 2 is a second schematic structural view of a soil sample cutting device according to a preferred embodiment of the present invention; FIG. 3 is a top view of the soil sample splitting device of FIG. 1; figure 4 is a schematic structural view of the pick-up unit of figure 1; FIG. 5 is a schematic structural diagram of the cutting unit of FIG. 1; fig. 6 is a schematic structural view of the jacking unit in fig. 1.
As shown in fig. 1, 2 and 3, the soil sample splitting device 100 of this embodiment includes a supporting frame unit 11, a material picking unit 12, and a jacking unit 13 and a splitting unit 14 respectively disposed on the supporting frame unit 11, the splitting unit 14 is disposed above the jacking unit 13 and is disposed coaxially with the jacking unit 13, the consolidation cylinder 20 is used for pre-press filling of the soil sample, the consolidation cylinder 20 is fixedly disposed between the jacking unit 13 and the splitting unit 14, and then under the jacking action of the jacking unit 13, the pressed soil sample in the consolidation cylinder 20 is pushed out upward along the axial direction of the consolidation cylinder 20 and is split by the splitting unit 14, and the material picking unit 12 is used for elastically clamping the split pressed soil sample and transferring the split pressed soil sample.
The soil sample splitting device 100 comprises a support frame unit 11, a material picking unit 12, a jacking unit 13 and a splitting unit 14. The supporting frame unit 11 is used as an installation foundation of the jacking unit 13 and the splitting unit 14, the consolidation cylinder 20 is fixedly arranged between the jacking unit 13 and the splitting unit 14, the pressed soil sample in the consolidation cylinder 20 is jacked upwards along the axial direction of the consolidation cylinder 20 under the jacking action of the jacking unit 13, meanwhile, the splitting unit 14 above the consolidation cylinder 20 timely splits the jacked soil sample, the operation is convenient, the pressed soil sample is split by the splitting unit 14 while being taken out of the consolidation cylinder 20, the problem that the existing manual work takes out the pressed soil sample and transfers the pressed soil sample is solved, then the manual splitting is adopted to cause large disturbance to the pressed soil sample, the technical problem of low accuracy of an indoor test is solved, and the processing efficiency of the pressed soil sample is high; the splitting unit 14 and the jacking unit 13 are coaxially arranged, the splitting unit 14 splits from the center of the pressed soil sample, the pressed soil sample gradually axially extends out and is split under the guiding action of the consolidation cylinder 20, the swing range of the pressed soil sample in the splitting process is small, and meanwhile, the cutting force applied to each part of the pressed soil sample is balanced, so that the pressed soil sample can be split uniformly, and the problems that the manual operation error is large and the raw materials are wasted due to nonuniform splitting are solved; the material picking unit 12 is used for elastically clamping the divided pressed soil sample and transferring the divided pressed soil sample, so that the technical problems that the pressed soil sample is greatly disturbed in the transferring process due to the fact that the divided pressed soil sample is manually transferred and the indoor test accuracy is low are solved.
Optionally, when the splitting unit 14 is installed at a preset position or a preset position of the support frame unit 11, the splitting unit 14 and the jacking unit 13 are coaxially arranged.
Further, the picking unit 12 includes an elastic gripping mechanism 121 for elastically gripping the divided compacted soil sample, and a hanger 122 serving as a mounting base, the elastic gripping mechanism 121 is detachably hung on the hanger 122, the picking unit 12 further includes a first fastening mechanism for fixing the elastic gripping mechanism 121 fitted on the hanger 122, the elastic clamping mechanism 121 is further fixed above the cutting unit 14 through the first fastening mechanism and the elastic clamping mechanism 121 and the cutting unit 14 are coaxially arranged, or, the elastic clamping mechanism 121 is movably hung on the hanging bracket 122, the picking unit 12 further includes a second fastening mechanism for fixing the movable elastic clamping mechanism 121, and then the elastic clamping mechanism 121 is fixed above the cutting unit 14 through a second fastening mechanism, and the elastic clamping mechanism 121 and the cutting unit 14 are coaxially arranged. It can be understood that, in the present embodiment, in order to ensure that the fixed elastic clamping mechanism 121 and the fixed cutting unit 14 are coaxially arranged, the cutting unit 14 is fixed on the support frame unit 11 through a positioning mark or a preset position, and the elastic clamping mechanism 121 is fixed on the hanger 122 through the positioning mark or the preset position by using a first fastening mechanism or a second fastening mechanism. Locate the top of segmentation unit 14 through setting up elasticity fixture 121, and elasticity fixture 121 can dismantle or can move about, be convenient for get through elasticity fixture 121 automatic clamp and transfer the suppression soil sample after the segmentation after pressing the soil sample, prevent that the segmentation in-process pressing soil sample from losing damage or the transfer in-process receives big disturbance influence measurement accuracy. The first fastening mechanism may be a fastener such as a fastening ring, a fastening hoop, a fastening buckle, etc., and the second fastening mechanism may be a fastener such as a fastening ring, a fastening hoop, a fastening buckle, etc.
Further, the elastic clamping mechanism 121 includes an outer cylinder 1211 and an inner cylinder, the inner cylinder is disposed in an inner cavity of the outer cylinder 1211 and has a radial gap with the outer cylinder 1211, the inner cylinder is formed by at least two arc plates 1212 which are arranged at intervals along a circumferential direction, the elastic clamping mechanism 121 further includes elastic support components 1213 which are arranged corresponding to the arc plates 1212 one by one and guide components 1214 which are arranged corresponding to the arc plates 1212 one by one, the elastic support components 1213 are elastically loaded between the arc plates 1212 and the outer cylinder 1211, a guide hole which penetrates through the cylinder wall along a radial direction of the outer cylinder 1211 is disposed on a cylinder wall surface of the outer cylinder 1211, one end of the guide component 1214 is fixedly connected with the inner cylinder, and the other end of the guide component 1214 passes through the guide hole, and the arc plate 1212 is movably arranged in the radial direction under the guidance of the guide hole, the outer cylinder 1211 is detachably communicated with the hanger 122 through the first fastening mechanism, alternatively, the outer cylinder 1211 is slidably hung on the hanger 122 and the slid outer cylinder 1211 is positioned by the second fastening mechanism. It will be appreciated that in this embodiment, the outer cylinder 1211 of the resilient clamping means 121 is arranged coaxially with the slitting unit 14. Specifically, for the convenience of operation, the quantity of arc 1212 is two, and two arc 1212 relative intervals are laid, and when segmentation suppression soil sample, the arc 1212 is strutted under the supporting force effect of the suppression soil sample after the segmentation and then the suppression soil sample after the elasticity centre gripping segmentation, and after suppression soil sample cuts completely, two-way centre gripping suppression soil samples after the segmentation of arc 1212, and then be convenient for shift the suppression soil sample after the segmentation. It can be understood that, by providing the guiding assembly 1214, the arc-shaped plate 1212 is axially and circumferentially limited, and it is ensured that when the arc-shaped plate 1212 moves in the radial direction of the outer cylinder 1211, it will not rotate circumferentially or shake axially, and thus large disturbance caused by pressing soil samples is avoided.
Further, one end of the elastic support assembly 1213 is fixedly connected to the outer wall surface of the arc plate 1212, and the other end of the elastic support assembly 1213 is fixedly connected to the outer wall surface of the arc plate 1212, so that the arc plate 1212 is elastically loaded on the inner wall surface of the outer cylinder 1211 to elastically clamp the cut pressed soil sample, or the elastic support assembly 1213 is sleeved on the guide assembly 1214, one end of the elastic support assembly 1213 abuts against the outer wall surface of the arc plate 1212, and the other end of the elastic support assembly 1213 abuts against the inner wall surface of the outer cylinder 1211, so that the arc plate 1212 is elastically loaded on the inner side of the outer cylinder 1211 to elastically clamp the cut pressed soil sample. Optionally, the elastic support assembly 1213 includes a plurality of support rows disposed along the bending direction of the arc plate 1212, and the support rows are composed of a plurality of support springs disposed at intervals along the axial direction of the arc plate 1212; the guide assembly 1214 comprises a plurality of guide rows arranged along the bending direction of the arc plate 1212, the guide rows are composed of a plurality of guide columns arranged along the axial direction of the arc plate 1212 at intervals, the guide columns are arranged in one-to-one correspondence with the supporting springs, and the supporting springs are sleeved on the corresponding guide columns. By providing multiple guide rows and multiple support rows, the clamping force of the arc 1212 is advantageously increased.
Further, in order to facilitate guiding the cut pressed soil sample to enter the inner cylinder for collection, the lower end of the arc-shaped plate 1212 is bent outwards in the radial direction of the inner cylinder to form a guide chamfer for guiding the cut pressed soil sample to enter the inner cylinder.
Further, the guide assembly 1214 employs guide pins arranged in a radial direction of the outer cylinder 1211, the elastic support assembly 1213 employs springs arranged in a radial direction of the outer cylinder 1211, the springs are sleeved on the guide pins, and an outward extending end of the guide pins extends outward and protrudes out of an outer wall surface of the outer cylinder 1211 to form a force application handle for applying a force to pull the corresponding arc plate 1212 outward.
Further, the supporting frame unit 11 includes supporting pedestal 111 and the bracing piece 112 of locating the side direction of supporting pedestal 111 respectively, the stiff end of jacking unit 13 is located in supporting pedestal 111, the jacking end of jacking unit 13 sets up along vertical movably, it is fixed that consolidation section of thick bamboo 20 passes through supporting pedestal 111 and the centre gripping of segmentation unit 14, or, consolidation section of thick bamboo 20 passes through fastening device and fixes on supporting pedestal 111, the jacking end through jacking unit 13 passes the top surface of supporting pedestal 111 and then the jacking is in the compaction soil in the consolidation section of thick bamboo 20 of supporting pedestal 111 top along vertical activity from supporting pedestal 111. It is understood that the jacking unit 13 can be a mechanical jacking mechanism or a hydraulic jacking rod, and the cutting unit 14 is assembled and fixed through the supporting rod 112. By arranging the supporting frame unit 11 to include the supporting pedestal 111 and the supporting rods 112 respectively arranged on the lateral sides of the supporting pedestal 111, the whole soil sample splitting device 100 occupies a small space and is convenient to install and use in a geotechnical laboratory.
Furthermore, the surface of the supporting pedestal 111 is concavely provided with a positioning spigot for accommodating the fixing barrel 20 and centering the fixing barrel 20, the fastening mechanism comprises a hoop for fixing the fixing barrel 20 loaded on the positioning spigot, the hoop comprises two embracing rings movably arranged along the radial direction of the fixing barrel 20 loaded on the positioning spigot and a lock catch for positioning and fixing the moved embracing rings, and the fixing barrel 20 positioned on the positioning spigot is clasped by the two embracing rings in a bidirectional clamping manner along the radial direction.
Further, the jacking unit 13 includes a top plate 131, a worm screw lifting mechanism 132, a control handle 133, a transmission box 134 and a guiding mechanism 135, the transmission box 134 is disposed in the support pedestal 111, a driving end of the worm screw lifting mechanism 132 extends into the transmission box 134 and is connected with the transmission box 134 through screw thread fit, a driven end of the control handle 133 extends into the transmission box 134 from a side surface of the support pedestal 111 and is engaged with the worm screw lifting mechanism 132 through a gear, a fixed end of the guiding mechanism 135 is disposed on the transmission box, a movable end of the guiding mechanism 135 is fixedly connected with the top plate 131, a jacking end of the worm screw lifting mechanism 132 is used for abutting against the top plate 131 to drive the top plate 131 to lift up vertically, by rotating the driving end of the control handle 133 outside the support pedestal 111, the worm screw lifting mechanism 132 is controlled to drive the top plate 131 to lift up vertically under the guidance of the guiding mechanism 135, the top plate 131 is caused to pass through the top surface of the support base 111 from inside the support base 111 to lift the compacted soil sample in the consolidation cylinder 20 above the support base 111.
Further, guiding mechanism 135 includes cartridge complex guide rod and uide bushing, and the guide rod is located on the roof along vertical fixed, and the uide bushing is located on the transmission casket along vertical fixed, and the guide rod cartridge is located in the uide bushing and then is followed vertical removal through guide rod and uide bushing cooperation guide roof, or, the guide rod is located on the transmission casket along vertical fixed, and the uide bushing is located on the guide board along vertical fixed, and the guide rod cartridge is located in the uide bushing and then is followed vertical removal through guide rod and uide bushing cooperation guide roof.
Further, the splitting unit 14 includes a cylindrical splitting case 141, a splitting blade 142 disposed inside the splitting case 141, and a fixing member 143 for fixing the splitting case 141 between the two support rods 112, and the plurality of splitting blades 142 are uniformly spaced in the circumferential direction of the splitting case 141. It is understood that in the present invention, the number of the cutting edges 142 may be 3, or may be other numbers such as 4, and the cutting edges 142 adopt tungsten steel blades of 0.3 mm.
Preferably, the consolidation cylinder 20 is fixedly arranged on the support pedestal 111 through a fastening mechanism, one end of the material picking unit 12 is arranged on the hanger 122, the other end of the material picking unit 12 is suspended towards the consolidation cylinder 20, a gap is left between the segmentation unit 14 and the consolidation cylinder 20, in the process of segmenting the soil sample, the pressed soil sample is guided to move along the axial direction of the consolidation cylinder 20 through the combined action of the consolidation cylinder 20 and the material picking unit 12, the deflection angle of the pressed soil sample in the segmenting process is small, and the segmenting precision is high. Specifically, for the convenience of segmentation and avoid the segmentation sword impaired, the first end of segmentation sword is fixed to be located on the internal face of segmentation casing, and the second end of segmentation sword is arranged towards the direction of the axis of segmentation casing overhanging, and the second end downward sloping of segmentation sword is arranged.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A soil sample cutting device is characterized in that,
comprises a supporting frame unit (11), a material picking unit (12), a jacking unit (13) and a splitting unit (14) which are respectively arranged on the supporting frame unit (11), wherein the splitting unit (14) is arranged above the jacking unit (13) and is coaxially arranged with the jacking unit (13),
the consolidation cylinder (20) is used for pre-pressing and filling of a soil sample, the consolidation cylinder (20) is fixedly arranged between the jacking unit (13) and the splitting unit (14), then under the jacking action of the jacking unit (13), the pressed soil sample in the consolidation cylinder (20) is jacked upwards along the axial direction of the consolidation cylinder (20), the jacked pressed soil sample is split under the action of the splitting unit (14), and the material picking unit (12) is used for elastically clamping the split pressed soil sample and transferring the split pressed soil sample;
the material picking unit (12) comprises an elastic clamping mechanism (121) for elastically clamping the cut pressed soil sample and a hanging bracket (122) used as an installation foundation,
the elastic clamping mechanism (121) is detachably hung on the hanging bracket (122), the material picking unit (12) further comprises a first fastening mechanism for fixing the elastic clamping mechanism (121) assembled on the hanging bracket (122), and then the elastic clamping mechanism (121) is fixed above the cutting unit (14) through the first fastening mechanism and the elastic clamping mechanism (121) and the cutting unit (14) are coaxially arranged, or,
the elastic clamping mechanism (121) is movably hung on the hanging bracket (122), the material picking unit (12) further comprises a second fastening mechanism for fixing the movable elastic clamping mechanism (121), and the elastic clamping mechanism (121) is fixed above the cutting unit (14) through the second fastening mechanism and is coaxially arranged with the cutting unit (14);
the elastic clamping mechanism (121) comprises an outer cylinder (1211) and an inner cylinder, the inner cylinder is arranged in an inner cavity of the outer cylinder (1211) and has a radial gap with the outer cylinder (1211), the inner cylinder is formed by at least two arc-shaped plates (1212) which are arranged at intervals along the circumferential direction in an assembling way,
the elastic clamping mechanism (121) further comprises elastic supporting components (1213) arranged corresponding to the arc-shaped plates (1212) one to one and guiding components (1214) arranged corresponding to the arc-shaped plates (1212) one to one, the elastic supporting components (1213) are elastically loaded between the arc-shaped plates (1212) and the outer cylinder (1211),
a guide hole penetrating through the wall of the outer cylinder (1211) along the radial direction of the outer cylinder (1211) is formed in the wall surface of the outer cylinder (1211), one end of the guide component (1214) is fixedly connected with the inner cylinder, the other end of the guide component (1214) penetrates through the guide hole, and the arc-shaped plate (1212) is movably arranged along the radial direction under the guidance of the guide hole,
the outer cylinder (1211) is detachably communicated with the hanger (122) through the first fastening mechanism, or the outer cylinder (1211) is slidably hung on the hanger (122) and positions the slid outer cylinder (1211) through the second fastening mechanism.
2. The soil sample splitting device according to claim 1,
one end of the elastic supporting component (1213) is fixedly connected with the outer wall surface of the arc-shaped plate (1212), the other end of the elastic supporting component (1213) is fixedly connected with the inner wall surface of the outer cylinder, so that the arc-shaped plate (1212) is elastically loaded on the inner wall surface of the outer cylinder (1211) to elastically clamp the cut pressed soil sample, or,
the elastic support assembly (1213) is sleeved on the guide assembly (1214), one end of the elastic support assembly (1213) is abutted to the outer wall surface of the arc-shaped plate (1212), the other end of the elastic support assembly (1213) is abutted to the inner wall surface of the outer cylinder (1211), and then the arc-shaped plate (1212) is elastically loaded on the inner side of the outer cylinder (1211) to elastically clamp the cut pressed soil sample.
3. The soil sample splitting device according to claim 2,
the lower end of the arc-shaped plate (1212) is bent outwards along the radial direction of the inner cylinder to form a guide chamfer angle for guiding the cut pressed soil sample into the inner cylinder.
4. The soil sample splitting device according to claim 3,
the guide assembly (1214) employs guide pins arranged in a radial direction of the outer cylinder (1211),
the elastic support component (1213) adopts a spring arranged along the radial direction of the outer cylinder (1211), the spring is sleeved on the guide pin,
the overhanging end of the guide pin extends outwards and protrudes out of the outer wall surface of the outer cylinder (1211) to form a force application handle for applying force to pull the corresponding arc-shaped plate (1212) outwards.
5. The soil sample splitting device according to any one of claims 1 to 4,
the supporting frame unit (11) comprises a supporting pedestal (111) and supporting rods (112) respectively arranged on the lateral sides of the supporting pedestal (111), the fixed end of the jacking unit (13) is arranged in the supporting pedestal (111), the jacking end of the jacking unit (13) is movably arranged along the vertical direction,
the consolidation cylinder (20) is clamped and fixed by the support pedestal (111) and the cutting unit (14), or the consolidation cylinder (20) is fixedly arranged on the support pedestal (111) by a fastening mechanism,
the jacking end of the jacking unit (13) moves vertically to pass through the top surface of the supporting pedestal (111) from the inside of the supporting pedestal (111) so as to jack the pressed soil sample in the consolidation cylinder (20) above the supporting pedestal (111).
6. The soil sample splitting device according to claim 5,
the surface of the supporting pedestal (111) is concavely provided with a positioning spigot for accommodating the consolidation cylinder (20) and centering the consolidation cylinder (20),
fastening device is in including being used for the fixed staple bolt that loads a concretion section of thick bamboo (20) on the locating slot, the staple bolt includes along loading two armful rings that radially movably set up of a concretion section of thick bamboo (20) on the locating slot and be used for carrying out the fixed hasp of location to embracing the ring after the activity, embrace a concretion section of thick bamboo (20) on the locating slot tightly along two-way centre gripping of radial activity through two armful rings.
7. The soil sample splitting device according to claim 5,
the jacking unit (13) comprises a top plate (131), a worm screw lifting mechanism (132), a control handle (133), a transmission box (134) and a guide mechanism (135), the transmission box (134) is arranged in the supporting pedestal (111), the driving end of the worm screw lifting mechanism (132) extends into the transmission box (134) and is connected with the transmission box (134) in a threaded fit manner, the driven end of the control handle (133) extends into the transmission box (134) from the side surface of the supporting pedestal (111) and is meshed with the worm screw lifting mechanism (132) through a gear,
the fixed end of the guide mechanism (135) is arranged on the transmission box (134), the movable end of the guide mechanism (135) is fixedly connected with the top plate (131), the jacking end of the worm wheel screw lifting mechanism (132) is used for being abutted against the top plate (131) to drive the top plate (131) to jack vertically,
through rotating the driving end of the control handle (133) outside the supporting pedestal (111), under the guidance of the guide mechanism (135), the worm gear screw lifting mechanism (132) is controlled to drive the top plate (131) to lift up along the vertical movement, so that the top plate (131) passes through the top surface of the supporting pedestal (111) from the inside of the supporting pedestal (111) to lift up the pressed soil sample in the consolidation cylinder (20) above the supporting pedestal (111).
8. The soil sample splitting device according to claim 5,
the splitting unit (14) comprises a cylindrical splitting shell (141), a splitting blade (142) arranged on the inner side of the splitting shell (141) and a fixing piece (143) used for fixing the splitting shell (141) between the two support rods (112),
the plurality of cutting edges (142) are uniformly arranged at intervals along the circumferential direction of the splitting shell (141).
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